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SBP‑150‑XFMR‑ND‑AUTO

150 kVA Autotransformer

150 kVA mobile autotransformer for stepping between 480 V and 600 V systems. 400A cam lock in and out.

Rating150 kVA
Primary480 V
Secondary600 V
Full-load secondary144 A @ 600 V

Features

  • Heavy-duty roll cage design – stackable for transport and storage
  • Easy access for maintenance and operation
  • Weatherproof enclosure, NEMA 3R compliant
  • Safety guards on all electrical connections
  • Corrosion-resistant construction: powder-coated, galvanized or aluminum components
  • Single point lifting bail, engineered and load-rated
  • UL 489-rated breakers with adjustable trip settings

Transformer

  • 3-phase autotransformer, aluminum windings
  • Sound level meets NEMA ST-20
  • CSA Certified – File LR34493 (5 kV max, 900 kVA max)
  • UL Listed – File E108255 (600 V max, 750 kVA max)
  • 220 °C / 428 °F insulation rating

Unit specifications

Electrical
kVA rating150
Transformer typeAuto
Primary voltage480 V
Secondary voltage600 V
Full-load primary amps @ 480 V 3Ø180 A
Full-load secondary amps @ 600 V 3Ø144 A
Impedance2.5% – 5.5%
Primary taps available480V, 570V, 600V, 630V
Average sound level50 dB
CoolingANN/AN self-cooled
Insulation rating220 °C
Connections and distribution
Primary inlet2 × 400A Cam Lock (L1, L2, L3, GND); optional blank gland plate for hard wire
Secondary outlet2 × 400A Cam Lock (L1, L2, L3, N, GND); optional blank gland plate for hard wire
Protection
Primary protection225 A MCCB, 0.8 adjustable, UL 489
Secondary protection200 A MCCB, 0.8 adjustable, UL 489
Physical
Dimensions (L × W × H)41 × 41 × 54 in
Enclosure typeType 3R Outdoor
LiftingSingle point bail
Compliance and approvals
StandardsSPE-1000, UL 1640 compliant design, CSA C22.2 No. 5, UL 489, IEC/EN 60947-2, CE compliant

The SBP Transformer range without integrated power distribution is currently in development and may be subject to change. Final specifications will be provided for customer approval prior to manufacturing.

2026-09 Rev A · reviewed 2026-09-06 · ©2026 Eco Power Equipment Ltd. Specifications subject to change without notice.